Measured New Lapua 9.3 X 62 Brass Head diameter .471 Lapua brass Resized brass head diameter with current RCBS dies .472

Fired Lapua brass to my Pacnor chambered 9.3x62 rifle head diameter .474

Measured resized RP 06 brass head diameter .467

I will continue using my RCBS dies which I prefer to non vented Redding and Lapua 9.3 X 62 brass have had no issues

kk alaska

Alaska 7 months of winter then 5 months of tourists